Sheffield Wednesday boss Stuart Gray says he is 'very close' to wrapping up a loan deal for a new striker.
Ipswich boss Mick McCarthy says he refused to be 'blackmailed' when it came to Tyrone Mings' future over the summer.
The England Under-21 international went straight into the North End squad for their League One trip to Crawley on Tuesday night, but the game was later postponed due to a waterlogged pitch.
Rudd has played three cup games for the Canaries this season, including the shock weekend FA Cup defeat to non-league Luton.
Earlier this month, North End cancelled the contract of goalkeeper Steve Simonsen by mutual consent.